JP2006245787A - Search system, search server, and search method for positional information - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To inquire current positional information only to a terminal carried by a moving person existing in a search target area designated by a manager in one or more terminals carried by moving persons that are managed by the manager. <P>SOLUTION: The positional information search system is provided with a positional information receiver 304 for receiving positional information acquired by the terminal carried by a moving person; a positional information storage 314 for storing the positional information of the terminal carried by a moving person; a part 316 for extracting the terminal carried by a moving person as a search target, which extracts one or more terminals carried by moving persons as the search target having positional information stored by the positional information storage in the search target area, and being the search targets in the terminals carried by moving persons; a positional information inquiry 324 for inquiring the current positional information to the terminal carried by a moving person as the search target; a current positional information determination part 318 for determining whether the current positional information of the terminal carried by a moving person as the search target is in the search target area; and a current positional information transmitter 326 for transmitting the current positional information of the terminal carried by a moving person in the search target area to a terminal for managing moving persons. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a position information search system, a position information search server, and a position information search method for searching for position information of a mobile terminal located in a search target area input by a mobile management terminal that manages the mobile terminal.

  In recent years, as one of the functions of a mobile phone, it is possible to use information transmitted from a GPS (Global Positioning System) satellite or information obtained from a base station installed for a PHS (Personal Handyphone System) or a mobile phone. There is a function to acquire location information of the telephone. When the server acquires the position information acquired by the mobile phone, the administrator can check the location of the person who has the mobile phone.

  For example, Patent Document 1 discloses a method for managing the location of a person who has a mobile phone that can acquire location information. The administrator can check the location of a person who has a mobile phone by specifying the number of the mobile phone, by specifying the name of the person who has the mobile phone, There is a method to specify the area. Here, when the area where the mobile phone is located is specified, the location of the mobile phone existing in the area specified by the following procedure is notified to the administrator.

(1) The administrator designates a search target area to the server and transmits a search request.
(2) In the server, mobile phones managed by the administrator are extracted.
(3) The location information is inquired from the server to all the mobile phones extracted in (2).
(4) The mobile phone that has received the inquiry from the server acquires the current position by the GPS function or the like, and transmits the acquired current position information to the server.
(5) The server that acquired the location information from the mobile phone extracts the mobile phone located in the search target area and provides it to the administrator.

  By the methods (1) to (5), the administrator can acquire the current position information of the mobile phone managed by the administrator within the search target area.

JP 2003-47032 A

  However, when acquiring the current location information of the mobile phone in the search area by the above methods (1) to (5), first, the location information is inquired to all the mobile phones to be searched. It must be made. That is, it is necessary to make an inquiry about the location information not only for the mobile phone existing in the search area but also for all the mobile phones managed by the administrator. Therefore, regardless of whether or not the mobile phone exists in the search area, after acquiring the location information of all the mobile phones managed by the administrator, the mobile phone existing in the search area must be extracted. There was a problem that it took a long time to search.

  Therefore, the present invention has been made in view of such a problem, and an object of the present invention is to provide a search target area designated by an administrator among one or more mobile terminals managed by the administrator. It is an object of the present invention to provide a new and improved position information search system, position information search server, and position information search method capable of inquiring current position information only with respect to a mobile terminal existing in the terminal.

  In order to solve the above problems, according to an aspect of the present invention, one or more mobile terminals, a mobile management terminal that manages mobile terminals, and a location information search server are connected via a network. A possible location information search system: a mobile terminal acquires a location information acquisition unit that acquires its location information at a predetermined interval; and transmits the location information acquired by the location information acquisition unit to a location information search server A location information transmission unit; and the mobile management terminal includes a search target region input unit that allows the administrator to input a search target region of the mobile terminal; and positions the search target region input by the search target region input unit. A search target area transmitting unit for transmitting to the information search server; and a display unit for displaying the position information of the mobile terminal existing in the search target area. The location information search server is acquired by the mobile terminal. A location information receiving unit that receives the location information; a location information storage unit that stores location information of the mobile terminal; and a location information storage of the mobile terminal when the search target area is input by the mobile management terminal A search target mobile terminal extraction unit that extracts one or two or more search target mobile terminals that are within a search target area and whose location information is stored in the search target area; and that is extracted by the search target mobile terminal extraction unit A position information inquiry unit for inquiring the current position information to one or more search target mobile terminals to be searched, and the current of one or more search target mobile terminals inquired by the position information inquiry unit A current position information determination unit that determines whether or not the position information is within the search target area; and within the search target area of the search target mobile terminal by the current position information determination unit; A current position information transmitting unit for transmitting current position information of one or more mobile terminals within the search target area determined to be present to the mobile management terminal; Is provided.

  The above-mentioned position information is information indicating the position of the mobile terminal such as latitude and longitude information, and is installed for information transmitted from a GPS (Global Positioning System) satellite, PHS (Personal Handyphone System) or a mobile phone. This is information obtained using information obtained at the base station.

  The mobile terminal may acquire position information at predetermined intervals, or may acquire position information in response to an input from a user who owns the mobile terminal. Further, the position information may be acquired in accordance with an instruction from the position information search server or the mobility management terminal.

  The mobile management terminal is a terminal owned by an administrator who manages the mobile terminal, for example, a terminal owned by a person who has a usage contract for the mobile terminal. The search target area input from the mobility management terminal is an area where the mobile terminal is searched. For example, it may be a certain area on the map, a city, a prefecture, a landmark, or the like. Also good. The administrator must use the mouse pointer to specify the area to be searched from the map displayed on the mobile management terminal display screen, or enter the name of the city or prefecture, etc. from the input screen. Can do.

  According to the above invention, the location information acquired by the mobile terminal is stored in the location information search server, and the mobile terminal existing in the search target area input by the mobile management terminal can be extracted. Then, the extracted mobile terminal is inquired about the current position information, and only the position information of the mobile terminal existing in the search target area is transmitted to the mobile management terminal.

  This makes it possible to query location information only from the mobile terminals that exist in the search target area without inquiring location information from all the mobile terminals managed by the administrator, thereby shortening the location information acquisition time. Is possible. In addition, since the location information about the mobile terminal located outside the search target area is not acquired, it is possible to consider the privacy of the mobile terminal that owns the mobile terminal.

  In order to solve the above problems, according to another aspect of the present invention, one or two or more mobile terminals that acquire their location information at predetermined intervals and the mobile terminal are managed and moved by the administrator. A mobility management terminal capable of inputting a search target area of a user terminal, and a location information search server connectable via a network: a location information receiving unit that receives location information acquired by the user terminal; A location information storage unit for storing location information of the user terminal; and when the search target area is input by the mobile management terminal, the location information stored in the location information storage unit of the mobile terminal is stored in the search target region. Yes, a search target mobile terminal extraction unit that extracts one or more search target mobile terminals to be searched; and one or more search targets to be searched by the search target mobile terminal extraction unit Move A position information inquiry unit that inquires of the terminal about current position information; and whether or not the current position information of one or more search target mobile terminals inquired by the position information inquiry unit is within the search target area. A current position information determination unit to be determined; a current position of one or more mobile terminals in the search target area determined by the current position information determination unit to be present in the search target area among the search target mobile terminals A location information search server comprising: a current location information transmission unit that transmits information to a mobility management terminal.

  According to the above method, the location information is not queried to all the mobile terminals managed by the administrator, but only the mobile terminals that may exist in the search target area. Only the location information of the mobile terminal that currently exists in the area can be transmitted to the mobile management terminal. As described above, by narrowing down the target of the location information inquiry, only the location information of the mobile terminal existing in the search target area can be transmitted to the administrator. Therefore, compared to inquiring the location information to all the mobile terminals managed by the administrator, the time required for inquiring the location information of the mobile terminals existing in the search target area and sending it to the administrator is reduced. It can be shortened.

  The location information storage unit provided in the location information search server stores the mobile terminal specifying information for specifying the mobile terminal, the location information acquired by the mobile terminal, and the time-series data of the location information in association with each other. Then, the search target mobile terminal extraction unit selects a search target that may be in the search target area from one or more mobile terminals based on the time-series data stored in the position information storage unit. One or two or more search target mobile terminals may be extracted.

  Thereby, even if the location information of the mobile terminal stored in the location information storage unit is outside the search target area, it is determined whether or not the mobile terminal is likely to move into the search target area. Thus, it is possible to extract a mobile terminal that may exist in the search target area.

  The time-series data stored in the position information storage unit includes the position information storage time at which the position information of the mobile terminal is stored, the speed of movement of the mobile terminal calculated based on the position information storage time, and And the direction of movement.

  Further, the search target mobile terminal extraction unit provided in the location information search server includes a distance between the search target area input by the mobile management terminal and the location information of the mobile terminal stored in the location information storage unit, It may be determined whether or not there is a search target mobile terminal in the search target area based on the moving speed of the mobile terminal and the moving direction of the mobile terminal. As a result, even when the position information stored in the information storage device is not within the search target area, there is a possibility that the mobile terminal exists in the search target area in consideration of the moving speed and direction of the mobile terminal. It is possible to determine whether or not there is.

  The location information search server further includes an address information calculation unit that calculates address information corresponding to the location information of the mobile terminal, and the location information storage unit stores the address information calculated by the address information calculation unit. You may make it do.

  The position information search server further includes a display data generation unit that generates position information display data for displaying the position information of the mobile terminal on the map information of the search target area input by the mobile management terminal. May be.

  In order to solve the above problems, according to another aspect of the present invention, one or two or more mobile terminals that acquire their location information at predetermined intervals and the mobile terminal are managed and moved by the administrator. A mobility management terminal capable of inputting a search target area of a user terminal, and a location information search server connectable via a network: a location information reception process for receiving location information acquired by the user terminal; A location information storage process for storing the location information of the user terminal; and when the search target area is input by the mobility management terminal, the location information stored in the location information storage process is included in the search target area among the mobile terminals. A search target mobile terminal extraction process for extracting one or more search target mobile terminals to be searched; and one or two or more search targets extracted by the search target mobile terminal extraction process Position information inquiry processing for inquiring current location information to the search target mobile terminal; and current location information of one or more search target mobile terminals inquired by the location information inquiry processing are within the search target area. Current position information determination processing for determining whether or not; among the search target mobile terminals by the current position information determination processing, one or more mobile terminal in the search target region determined to exist in the search target region And a current position information transmission process for transmitting the current position information to the mobility management terminal. A computer program is provided.

  As described above, according to the present invention, the current position information is only for the mobile terminal existing in the search target area designated by the administrator among one or more mobile terminals managed by the administrator. The position information acquisition time of the mobile terminal that is the search target can be shortened.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the present specification and drawings, components having substantially the same functional configuration are denoted by the same reference numerals, and redundant description is omitted.

(First embodiment)
In the first embodiment, the location information search system according to the present invention is applied to the location information search system 10 to which a mobile terminal managed by an administrator, a mobility management terminal, and a location information search server can be connected via a network. Apply and explain. In the present embodiment, the position information acquired by the mobile terminal is transmitted to and stored in the position information search server. Further, the search target area is input by the administrator who owns the mobile management terminal, and is transmitted to the position information search server. Then, the current position information of the mobile terminal existing in the search target area input by the administrator via the mobile management terminal is transmitted to the mobile management terminal.

<1. Overall Configuration of Location Information Search System>
Based on FIG. 1, an overall configuration of the position information search system 10 according to the present embodiment will be described. FIG. 1 is an overall configuration diagram showing a position information search system 10 according to the present embodiment. The position information search system 10 includes mobile terminals 100-1 to 100-n (hereinafter, simply referred to as the mobile terminal 100 when these mobile terminals do not need to be individually distinguished), and a mobile management terminal 200. A location information search server 300, a network 400, and the like.

  The mobile terminal 100 is a terminal owned by a mobile person managed by the administrator. The mobile terminal 100 is an information processing device having a function of acquiring mobile location information. For example, a mobile phone, a PDA (Personal Digital Assistant), a small PC (Personal Computer) or the like is carried by the mobile user. It is a terminal that can. As a method for acquiring the position information, for example, the position information is acquired using information transmitted from a GPS satellite or information obtained from a mobile phone or a base station installed for PHS. It can be transmitted to the position information search server 300.

  Normally, positioning and transmission of position information using the GPS signal reception function is performed when an operation for acquiring position information is performed by the mobile terminal 100 or when there is an inquiry from the position information search server 300. The mobile terminal 100 may perform an operation for acquiring position information at intervals of. In addition, in the calculation of the location information using the base station, the mobile terminal 100 communicates with the base station periodically, so that in addition to the inquiry from the location information search server 300, the mobile terminal 100 The position information acquisition operation may be performed periodically.

  The mobile management terminal 200 is a terminal owned by an administrator who manages the mobile terminal 100, for example, a terminal owned by a person who has a usage contract for the mobile terminal 100. The administrator who owns the mobility management terminal 200 can input the search target area of the mobility terminal 100 through the mobility management terminal 200. The search target area input by the administrator is, for example, displayed on the display screen of the mobility management terminal 200 and specified from the displayed map using the mouse pointer or the like. Also good. Further, the search target area may be designated by a city, prefecture, landmark, or the like. The search target area information input by the administrator is transmitted to the position information search server 300 via the mobility management terminal 200. Then, the location information search server 300 transmits the current location information of the mobile terminal 100 existing in the search target area to the mobile management terminal 200.

  The position information search server 300 has a function of receiving the position information transmitted from the mobile terminal 100 and storing the received position information in the information storage device. Also, the search target area transmitted by the mobility management terminal 200 is received, and the current position information of the mobile terminal 100 within the search target area is transmitted to the management terminal 200.

  Conventionally, when the search target area is specified and the current position information of the mobile terminal in the search target area is acquired, the mobile terminal 100 is inquired of the mobile terminal 100 for location information. I had to. However, the location information search server 300 according to the present invention can inquire location information only to the mobile terminal 300 existing in the search target area.

  Since the location information of the mobile terminal 100 is stored in the information storage device provided in the location information search server 300, only the mobile terminal 100 whose stored location information is within the search target area is extracted and the extracted movement is stored. The location information can be inquired only to the person terminal 100. Further, the location information search server 300 can extract the mobile terminal 100 that may exist in the search target area, and inquire the mobile terminal 100 for location information. There is a possibility that the mobile terminal exists in the search target area, even if the position information stored in the position information storage device is outside the search target area. That means. For example, even when the position information stored in the information storage device is not in the search target area, the mobile terminal 100 may exist in the search target area in consideration of the moving speed and the moving direction of the mobile terminal 100. It is possible to determine whether or not there is. The moving speed and moving direction of the mobile terminal 100 may be calculated based on the position information of the two nearest points of the mobile terminal 100 stored in the information storage device and the time when the position information is stored.

  The location information stored in the information storage device is in the search target area, or the mobile terminal 100 that may exist in the search target area is inquired about the current position information and transmitted to the position information search server 300. Is done. Then, the location information search server 300 sends the current location information of the mobile terminal 100-x whose current location information is within the search target area among the mobile terminals 100-1 to 100-n to the mobile management terminal 200. Send.

  According to the position information search system 10 described above, the position information is obtained only for the mobile terminals existing in the search target area without inquiring the position information to all the mobile terminals 100-1 to 100-n managed by the administrator. Inquiries can be made, and the position information acquisition time can be shortened. Further, since the location information about the mobile terminal 100 that is clearly located outside the search target area is not acquired, it is possible to consider the privacy of the mobile user who owns the mobile terminal 100.

  The network 400 is a communication network that enables the mobile terminal 100, the mobile management terminal 200, and the location information search server 300 to communicate bidirectionally. The network 400 includes, for example, a public line network such as the Internet, a telephone line network, and a satellite communication network, a dedicated line network such as WAN, LAN, and IP-VPN, and may be wired or wireless.

  The overall configuration of the position information search system 10 has been described above. Next, the functional configuration of the mobile terminal, mobile management terminal, and location information search server will be described with reference to FIG.

  FIG. 2 is a functional configuration diagram of the mobile terminal 100, the mobile management terminal 200, and the location information search server 300 in the present embodiment. As described above, the mobile terminal 100, the mobile management terminal 200, and the location information search server 300 are information processing apparatuses that can communicate bidirectionally via a network.

<2. Functional configuration of mobile terminal>
As shown in FIG. 2, the mobile terminal 100 includes a position information acquisition unit 102, a transmission unit 104, a reception unit 108, a display unit 110, and the like. Further, the transmission unit 104 may include a position information transmission unit 106.

  The position information acquisition unit 102 acquires information on the location of the moving person and provides the position information to the position information transmission unit 106. As described above, the position information of the user can be acquired by using information transmitted from a GPS satellite or information obtained from a mobile phone or a base station installed for PHS. The position information acquisition unit 102 may acquire the position information periodically or may acquire the position information in accordance with the input of the moving person. The position information may be acquired in response to an inquiry from the position information search server. The position information acquired by the position information acquisition unit 102 is information for specifying the current position of the moving person, and examples thereof include latitude / longitude information and address information.

  The transmission unit 104 is a communication interface configured by, for example, a communication line, a communication circuit, a communication device, and the like. The location information transmission unit 106 included in the transmission unit 104 transmits the location information provided by the location information acquisition unit 102 to the location information search server 300.

  The receiving unit 108 is a communication interface configured with, for example, a communication line, a communication circuit, a communication device, and the like. The reception unit 108 notifies the position information acquisition unit 102 when there is an inquiry about the position information from the position information search server 300. The position information acquisition unit 102 that has received the notification of the position information inquiry acquires the current position information by the method described above.

  The display unit 110 includes a display device such as a liquid crystal display and an interface unit that displays data on the display device.

  The functional configuration of the mobile terminal 100 has been described above. Next, the functional configuration of the mobility management terminal 200 will be described.

<3. Functional configuration of mobility management terminal>
As shown in FIG. 2, the mobility management terminal 200 includes a search target area input unit 202, a transmission unit 204, a reception unit 208, a display unit 212, and the like. The transmission unit 204 may include a search target area transmission unit 206, and the reception unit 208 may include a mobile terminal current position information reception unit 210.

  The search target area input unit 202 is an interface unit that receives input of the search target area, and includes operation means such as buttons and a keyboard. The search target area input by the administrator is, for example, displayed on the display unit 212 of the mobility management terminal 200 and specified from the displayed map using the mouse pointer or the like. May be. Alternatively, the search target area may be specified by specifying a city, prefecture, landmark, or the like. The search target area information input by the administrator is transmitted to the search target area transmission unit 206 provided in the transmission unit 204 via the search target area input unit 202.

  The transmission unit 204 is a communication interface configured with, for example, a communication line, a communication circuit, a communication device, and the like. The search target area transmission unit 206 provided in the transmission unit 204 transmits the search target area provided by the search target area input unit 202 to the position information search server 300.

  The receiving unit 208 is a communication interface configured with, for example, a communication line, a communication circuit, a communication device, and the like. The mobile terminal current location information receiving unit 210 provided in the receiving unit 208 receives the current location information of the mobile terminal 100 existing in the search target area transmitted by the location information search server 300 and provides it to the display unit 212. To do.

  The display unit 212 includes a display device such as a liquid crystal display and an interface unit that displays data on the display device. The display unit 212 has a function of displaying the current position information of the mobile terminal 100 existing in the search target area provided by the mobile terminal current position information receiving unit 210. The current position information of the mobile terminal 100 may be displayed on the map data, or address information serving as the current position information may be displayed. In addition, when there are a plurality of mobile terminals 100 existing in the search target area, the positions of the plurality of mobile terminals may be displayed on the map data to be the search target area.

  The functional configuration of the mobility management terminal 200 has been described above. Next, the functional configuration of the location information search server 300 will be described.

<4. Functional configuration of location information search server>
As shown in FIG. 2, the location information search server 300 includes a receiving unit 302, an address information storage unit 308, a map information storage unit 310, an address information calculation unit 312, a location information storage unit 314, and a search target. A mobile terminal extraction unit 316, a current position information determination unit 318, a display data creation unit 320, a transmission unit 322, and the like are included.

  The receiving unit 302 may include a position information receiving unit 304 and a search target area receiving unit 306, and the transmitting unit 324 may include a position information inquiry unit 324 and a current position information transmitting unit 326.

  The receiving unit 302 is a communication interface configured with, for example, a communication line, a communication circuit, a communication device, and the like. The location information receiving unit 304 receives the location information transmitted from the mobile terminal 100 and provides it to the address information calculation unit 312. In addition, the search target area receiving unit 306 receives the search target area transmitted from the mobile management terminal 200 and provides it to the search target mobile terminal extraction unit 316.

  The address information storage unit 308 is a data storage device configured by, for example, a hard disk drive, a flash memory, or the like, and stores positional information such as latitude and longitude and address information in association with each other.

  The map information storage unit 310 is a data storage device composed of, for example, a hard disk drive, a flash memory, or the like, and stores address information and map information in association with each other.

  The address information calculation unit 312 acquires the address information stored in the address information storage unit 308 based on the position information provided from the position information reception unit 204. Further, map information stored in the map information storage unit 310 is acquired based on the calculated address information. The address information and map information acquired by the address information calculation unit 312 are stored in the position information storage unit 314. The address information calculation unit 312 may store the time at which the position information is received by the position information receiving unit 304 in the position information storage unit 314.

  Further, when there are a plurality of mobile terminals 100, the mobile terminal specifying information of the mobile terminal 100, the positional information of the mobile terminal 100, and the time when the positional information is received are associated with each other to store the positional information storage unit. You may make it memorize. The mobile terminal specifying information of the mobile terminal 100 is information that can uniquely specify the mobile terminal 100, such as a mobile phone number or device information.

  The location information storage unit 312 is a data storage device configured by, for example, a hard disk drive, a flash memory, or the like, and stores location information and map information provided by the address information calculation unit 312. As described above, when a plurality of mobile terminals are connected to the position information search server 300, address information and map information may be stored for each mobile terminal. In that case, the mobile terminal specifying information of the mobile terminal 100 and address information may be stored in association with each other.

  In the present embodiment, the address information and the map information based on the position information are stored in the position information storage unit 312, but the position information received by the position information reception unit 304 is stored in the position information storage unit 314. It may be.

  Further, information such as the moving speed and moving direction of the mobile terminal 100 may be stored. The moving speed and moving direction of the mobile terminal 100 can be calculated from the latest two points of position information stored in the position information storage unit 312, for example. In addition, by accumulating and storing past position information, it is possible to predict not only the moving speed and moving direction of the mobile terminal 100 but also the moving destination of the mobile terminal 100.

  Further, in the traveler search server 300, a predetermined speed may be set in advance as the movement speed. Alternatively, the moving speed may be input to the moving person management terminal 200 by the administrator, and the moving speed may be transmitted to the position information search server 300 and set together with the search target area.

  When the search target area is provided from the search target area receiving unit 306, the search target mobile terminal extraction unit 316 extracts the mobile terminal 100 within the search target area from the position information storage unit 314. As described above, the location information storage unit 314 stores the mobile terminal identification information of the mobile terminal 100 and the location information in association with each other. Therefore, the mobile terminal 100 having location information in the search target area. Can be extracted.

  Further, when the moving speed and moving direction of the mobile terminal 100 are stored in the position information storage unit 312, the mobile terminal 100 that may exist in the search target area can be extracted. For example, even if the position information stored in the position information storage unit 314 is outside the search target area, if the position information is close to the search target area, or the shortest distance and movement between the position information and the search target area In consideration of the speed and the moving direction, it is possible to determine whether or not the mobile terminal 100 is likely to move into the search target area.

  The search target mobile terminal extraction unit 316 provides the mobile terminal identification information of the mobile terminal 100 extracted as described above to the position information inquiry unit 324. At this time, the mobile terminal extracted by the search target mobile terminal extraction unit 316 may be discriminated from the mobile terminal that has not been extracted. Specifically, it is determined whether or not the mobile terminal stored in the location information storage unit 314 is a search target by adding a search target flag to the mobile terminal information stored in the location information storage unit 314. It becomes possible to do.

  The transmission unit 322 is a communication interface configured with, for example, a communication line, a communication circuit, a communication device, and the like. The location information inquiry unit 324 included in the transmission unit 322 is provided with information on the mobile terminal that is the search target by the search target mobile terminal extraction unit 316. The location information inquiry unit 324 provided with the information of the search target mobile terminal inquires the location information of the mobile terminal to be searched. The mobile terminal 100 inquired about the location information by the location information inquiry unit 324 provides the current location information to the location information receiving unit 304, and the location information is stored in the location information storage unit 314 as described above. .

  The current position information determination unit 318 determines whether or not the position information of the information to which the search target flag is assigned among the mobile terminal information stored in the position information storage unit 314 is within the search target area. To do. As described above, the location information of the mobile terminal to which the search target flag is assigned is the latest location information. When the current location information determination unit 318 determines that the location information of the mobile terminal is within the search target area, the location information of the mobile terminal is provided to the display data creation unit 320 or the current location information transmission unit 326. To do. When displaying the location information of the mobile terminal 100 on the map data, the location information is provided to the display data creation unit 320.

  The display data creation unit 320 acquires map data from the map information storage unit 310, creates display data for displaying the location information of the mobile terminal on the map data in the search target area, and provides the current location information transmission unit 326 with the display data. To do.

  The current position information transmission unit 326 included in the transmission unit 322 includes the current position information of the mobile terminal in the search target area from the current position information determination unit 318 or the current position information of the mobile terminal in the search target area from the display data creation unit 320. Display data for displaying the position information is provided and transmitted to the mobility management terminal 200.

  The functional configuration of the position information search server 300 has been described above. According to the above configuration, the location information acquired by the mobile terminal 100 is stored in the location information search server 300 and exists or may exist within the search target area input by the mobile management terminal 200. The mobile terminal 100 is extracted. Then, the extracted current location information of the mobile terminal 100 is inquired, and only the location information of the mobile terminal 100 existing in the search target area is transmitted to the mobile management terminal 200. As a result, it is possible to inquire the current position information only to the mobile terminals existing in the search target area without inquiring the current position information from all the mobile terminals managed by the mobile management terminal 200.

  The functions provided in the position information search server may be provided in different servers. For example, as illustrated in FIG. 3, the position information search server 300 may include a position information server 608, a management server 610, and a database server 612. In this case, the location information server 608 includes an address information calculation unit 312, an address information storage unit 308, a map information storage unit 310, a search target mobile terminal extraction unit 316, and a display data creation unit 320. The server 610 includes the reception unit 302 and the transmission unit 322, and the database server 612 includes the position information storage unit 314, so that the server 610 can be configured to have the same function as the position information search server 300 described above.

  Further, the map information may be stored in a map server 500 different from the position information search server 300. In this case, the location information map information storage unit 310 provided in the location information search server 300 may store only the location of the map server 500 storing the map information.

<5. Configuration example of location information search system>
Next, a configuration example of the position information search system 10 will be described by applying this embodiment to the example of the position information search system 10 shown in FIG. FIG. 3 is a configuration diagram illustrating an example of the position information search system according to the present embodiment.

  As described above, the location information search server 300 includes the location information server 608, the management server 610, the database server 612, and the like. The location information search server 300 is connected to the network 400 by a router 602 that is a device that relays data flowing on the network to another network. The router 602 is connected to a firewall 604 that protects the server from unauthorized access from the network and viruses. The service center 600 includes the router 602, the firewall 604, and the location information search server 300.

The management server 610 is a server that manages transmission / reception of information between the mobile terminal 100 and the mobile management terminal 200 via the network, and receives and receives the location information transmitted from the mobile terminal 100 The location information is provided to the location information server 608. The management server 610 can also query the mobile terminal 100 for location information and receive the location information.
The search target area transmitted from the mobility management terminal 200 is received and provided to the location information server 608.

  The position information server 608 stores address information corresponding to latitude / longitude information as position information or base station information, and a location of a map server in which map information corresponding to the address information is stored. Further, the location information server 608 calculates address information based on the location information provided by the management server 610, and acquires map information corresponding to the address information calculated by the map server 500 via the network. Then, the address information and the map information are provided to the database server 612. Further, the mobile terminal 100 existing in the search target area provided by the management server 610 is extracted, and the information of the extracted mobile terminal 100 is provided to the management server 610. When the extracted current position information of the mobile terminal 100 exists in the search target area, the information of the mobile terminal 100 is provided to the management server 610.

  The location information server is installed outside the service center 600 as a location information center. When location information is included in the information transmitted from the mobile terminal, the location information center calculates address information and the like. You may make it transmit to the center 600. FIG.

  The map server 500 may be provided inside the service center 600. When the location information server is provided outside the service center 600 as described above, the location information server may be provided in the location information server.

  The database server 612 stores the address information and map information provided by the position information server 608 in time series together with the reception time. When there are a plurality of the mobile terminals 100, the mobile terminal specifying information and the position information of the mobile terminals 100 may be associated with each other and stored in the database server 612.

  A map server 500 may be connected to the network 400. The map server 500 stores data for displaying map information. When location information is received from the service center 600 via a network, map information in the vicinity corresponding to the location information is transmitted to the service center 600, or map data of a search target area is transmitted to the service center 600.

  The mobile terminal 100 is connected to the service center 600 via the network 400. The location information acquired at predetermined intervals by the mobile terminal 100 is transmitted to the service center 600 as needed. Further, when there is an inquiry about position information from the service center, the position information is acquired and transmitted to the service center 600.

  The mobility management terminal 200 is connected to the service center 600 via the network 400. When the search target area is input to the mobile management terminal 200 by the administrator of the mobile terminal, information on the search target area is transmitted to the service center 600. Then, of the mobile terminals 100 managed by the administrator, the current location information of the mobile terminals 100 existing in the search target area is transmitted from the service center 600.

  The configuration example of the position information search system 10 has been described above. Next, the flow of mobile terminal search processing in the location information search server will be described with reference to FIG.

<6. Flow of mobile terminal search process in location information search server>
FIG. 4 is a flowchart for explaining the flow of processing of the mobile terminal search in the location information search server. The location information search server that has received the search target area from the mobile management terminal 200 determines whether or not the mobile terminal 100 exists in the search target area (S102). As described above, the location information of the mobile terminal received in advance is stored in the information storage device of the location information search server. In step S102, the position information search server determines whether or not the position information of the mobile terminal stored in the information storage device exists in the search target area.

  If it is determined in step S102 that the mobile terminal is not in the search target area, it is determined whether or not there is a possibility that the mobile terminal exists in the search target area (S104). As described above, whether or not there is a possibility that the mobile terminal exists in the search target area is determined when the location information of the mobile terminal stored in the information storage device is close to the search target area. In consideration of the shortest distance, the moving speed, and the moving direction between the position information and the search target area, it is determined whether or not the mobile terminal is likely to move into the search target area.

  If it is determined in step S104 that there is no possibility that the mobile terminal exists in the search target area, the process ends. If it is determined in step S102 and step S104 that the mobile terminal is within the search target area, the current location information of the mobile terminal to be searched is inquired (S106).

  As described above, when there are a plurality of mobile terminals managed by the mobile management terminal, in step S102 and step S104, a mobile terminal that exists or may exist in the search target area is selected. The current position information is inquired to each mobile terminal that is extracted or exists in the search target area.

  In step S106, after inquiring about the current location information of the mobile terminal, it is determined whether or not the current location information is within the search target area. If it is determined in step S108 that the current location information of the mobile terminal to be searched is not within the search target area, the process is terminated. If it is determined in step S108 that the current position information of the mobile terminal to be searched is within the search target area, the current position information of the mobile terminal inquired in step S106 is used as the mobile management terminal. (S110).

  According to the above method, the location information is not queried to all the mobile terminals managed by the administrator, but only the mobile terminals that may exist in the search target area. Only the location information of the mobile terminal that currently exists in the area can be transmitted to the mobile management terminal. As described above, by narrowing down the target of the location information inquiry, only the location information of the mobile terminal existing in the search target area can be transmitted to the administrator. Therefore, compared to inquiring the location information to all the mobile terminals managed by the administrator, the time required for inquiring the location information of the mobile terminals existing in the search target area and sending it to the administrator is reduced. It can be shortened.

  The flow of mobile terminal search processing in the location information search server has been described above. Next, the processing flow of the position information search system will be described with reference to FIG.

<7. Flow of processing of location information search system>
FIG. 5 is an explanatory diagram for explaining the processing flow of the position information search system. First, location information is acquired in the mobile terminal 100 (S200). The position information acquired in step S200 may be acquired at a predetermined interval in the mobile terminal, or may be acquired in response to a user input. Further, the location information may be acquired from the mobile search server when there is an inquiry.

  The position information acquired in step S200 is transmitted to the management server 610 provided in the position information search server (S202). When the management server 610 receives the position information from the mobile terminal (S204), the management server 610 provides the received position information to the position information server 608 (S206).

  In step S206, the location information server 608 provided with location information from the management server 610 calculates address information based on the location information (S208). In step S208, map information corresponding to the address information may be searched. Information such as address information calculated in step S208 is provided to the database server 612. The database server 612 provided with the information such as the position information stores the position information in the position information storage provided in the database server 612 (S210).

  In step S <b> 214, when the search target area is input by the administrator who manages the mover, the mover management terminal 200 transmits the search target area to the management server 610. When receiving the search target area from the mobility management terminal 200, the management server 610 provides it to the location information server 608 (S218).

  In step S <b> 218, the location information server 608 provided with the search target area extracts the mobile terminal in the search target area from the position information storage unit provided in the database server 612. Since the mobile terminal specifying information of the mobile terminal and the positional information are stored in association with each other in the positional information storage unit, the mobile terminal 100 having the positional information within the search target area can be extracted.

  In addition, when the moving speed and moving direction of the mobile terminal are stored in the position information storage unit, mobile terminals that may exist in the search target area can be extracted. For example, even if the position information stored in the position information storage unit is outside the search target area, the position information is close to the search target area, or the shortest distance and the moving speed between the position information and the search target area. In consideration of the moving direction, it is possible to determine whether or not the mobile terminal is highly likely to move into the search target area.

  In step S220, a mobile terminal that is a search target that may exist in the search target area is extracted. The location information server 608 provides the management server with the information on the search target mobile terminal extracted in step S220 (S224).

  In step S224, the management server provided with the information of the mobile terminal to be searched inquires the current mobile terminal of the search target mobile terminal based on the information (S226). The mobile terminal 100 inquired of the location information from the management server 610 acquires the current location information (S228) and transmits it to the management server 610 (S230).

  The management server 610 that has received the position information provides the position information to the position information server 608 (S232). In step S232, the position information server 608 provided with the position information determines whether or not the position information is within the search target area (S234). If it is determined in step S234 that the current position information of the search target mobile terminal is within the search target area, address information is calculated based on the position information (S236). Further, the map server 500 that stores the map information corresponding to the address information is accessed to search for the map information (S238). Map information corresponding to the address information is provided to the location information server 608 by the map server 500 (S240). The location information server 608 provided with the map information creates display data for displaying the location information of the mobile terminal on the map data of the search target area and provides it to the management server 610 (S244).

  In step S244, the management server 610 provided with the display data from the location information server 608 transmits the display data to the mobility management terminal 200 (S246). In step S246, the mobile management terminal 200 that has received the display data displays the location information of the mobile terminal (S248).

  The first embodiment has been described above. Next, a second embodiment will be described.

(Second Embodiment)
In the second embodiment, the present invention is applied to a location information search system 20 in which a mobile terminal managed by an administrator, a carrier server, a mobile management terminal, and a location information search server can be connected via a network. A description will be given by applying the position information search system according to FIG.

  Since the functional configuration of the mobile terminal, mobile management terminal, and location information search server according to the second embodiment is substantially the same as that of the first embodiment, the system configuration and processing differ from those of the first embodiment. I will explain it mainly.

<8. Configuration example of location information search system>
FIG. 6 is a configuration diagram showing an example of the position information search system 20 according to the present embodiment. In this embodiment, the mobile terminal according to the present invention is applied to a mobile phone and will be described below. The location information retrieval system 20 is connected to a mobile phone 150, a communication carrier server 550, and a mobile phone network 450. The communication business server 550, the map server 500, and the service center 600 are connected via the network 400. It is connected. Since the map server 500 and the service center 600 are substantially the same as those in the first embodiment, the description thereof is omitted.

  The mobile phone 150 according to the present embodiment transmits various types of information to the communication carrier server 550 via the mobile phone network 450. In the first embodiment, the acquired location information is transmitted to the telecommunications carrier server 550 in the same manner as other information, without designating a server as a location information transmission destination in advance on the mobile phone 150. Further, since the mobile phone 150 regularly communicates with the base station, the base station information is also transmitted to the communication carrier server 550.

  The carrier server 550 that receives information from the mobile phone 150 may transmit only the location information of the information received from the mobile phone 150 to the service center 600. Further, only the location information of the mobile phone for which the service center 600 has reference authority may be transmitted from the communication service server 550 to the service center 600.

  After the location information of the mobile phone 150 transmitted from the telecommunications carrier server 550 is transmitted to the service center 300 in this manner, the mobile phone that may exist in the search target area by the same processing as in the first embodiment. The telephone 150 is inquired about location information. The current location information acquired by the mobile phone 150 is also transmitted to the service center 600 via the communication business server 550.

  The system configuration example of the position information search system 20 according to the present embodiment has been described above. Next, the flow of processing of the position information search system will be described based on FIG.

<9. Flow of processing of location information search system>
FIG. 7 is an explanatory diagram for explaining the flow of processing of the position information search system. First, location information is acquired in the mobile phone 150 (S300). The location information acquired by the mobile phone 150 is transmitted to the communication carrier server 550 via the mobile phone network (S302).

  The communication carrier server 550 transmits the location information transmitted from the mobile phone 150 to the management server 610 provided in the service center 600 via the network (S304). When the management server 610 receives the position information from the communication carrier server (S306), the management server 610 provides the received position information to the position information server 608 (S308).

  In step S308, the location information server 608 provided with location information from the management server 610 calculates address information based on the location information (S310). In step S310, map information corresponding to the address information may be searched. Information such as address information calculated in step S310 is provided to the database server 612. The database server 612 provided with information such as position information stores the position information in the position information storage provided in the database server 612 (S312).

  In step S <b> 316, when the search target area is input by the administrator who manages the mover, the mover management terminal 200 transmits the search target area to the management server 610. When receiving the search target area from the mobility management terminal 200, the management server 610 provides it to the location information server 608 (S320).

  In step S <b> 320, the location information server 608 provided with the search target area extracts the mobile terminal within the search target area from the location information storage unit provided in the database server 612. Since the mobile terminal specifying information of the mobile terminal and the positional information are stored in association with each other in the positional information storage unit, the mobile terminal 100 having the positional information within the search target area can be extracted.

  In addition, when the moving speed and moving direction of the mobile terminal are stored in the position information storage unit, mobile terminals that may exist in the search target area can be extracted. For example, even if the position information stored in the position information storage unit is outside the search target area, the position information is close to the search target area, or the shortest distance and the moving speed between the position information and the search target area. In consideration of the moving direction, it is possible to determine whether or not the mobile terminal is highly likely to move into the search target area.

  In step S322, a mobile terminal that is a search target that may exist in the search target area is extracted. The location information server 608 provides the management server with the information on the search target mobile terminal extracted in step S322 (S326).

  In step S224, the management server provided with the information of the mobile terminal to be searched inquires the communication carrier server 550 about the current location information of the mobile phone 150 to be searched based on the information (S328). . The communication carrier server 660 that has received the location information inquiry from the management server 610 makes an inquiry about the location information to the mobile phone 150 to be searched (S330). In step S330, the mobile phone 150 that has received the location information inquiry from the telecommunications carrier server 550 acquires the current location information (S332) and transmits it to the telecommunications carrier server 550 (S334). At this time, if the current location information of the mobile phone 150 is known from the base station information or the like in the communication carrier server 550, the location information may be transmitted to the management server 610.

  The management server 610 that has received the position information provides the position information to the position information server 608 (S338). In step S338, the position information server 608 provided with the position information determines whether or not the position information is within the search target area (S340). If it is determined in step S340 that the current position information of the search target mobile terminal is within the search target area, address information is calculated based on the position information (S342). Further, the map server 500 in which the map information corresponding to the address information is stored is accessed to search for the map information (S344). The map server 500 provides the map information corresponding to the address information to the position information server 608 (S346). The location information server 608 provided with the map information creates display data for displaying the location information of the mobile terminal on the map data of the search target area and provides it to the management server 610 (S350).

  In step S350, the management server 610 provided with the display data from the location information server 608 transmits the display data to the mobility management terminal 200 (S352). In step S352, the mobility management terminal 200 that has received the display data displays the location information of the mobility terminal (S354). The second embodiment has been described above.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are of course within the technical scope of the present invention. Understood.

  In the above-described embodiment, the position information search server is configured to store the position information. However, the present invention is not limited to this example, and the position information of the mobile terminal may be stored in the mobile management terminal. When the number of mobile terminals is small, it is possible to search only the mobile terminal location information existing in the search target area by storing the mobile terminal location information in the mobile management terminal. Become. In this case, the mobile management terminal can search the location information of only the mobile terminal existing in the search target area without accessing the search target server.

  Further, the location information acquired in the mobile terminal may be transmitted as an attachment to an electronic mail. When transmitting location information using e-mail, the mobile terminal creates an e-mail including location information at set intervals and transmits the e-mail to the location information search server. The position information search server that has received the e-mail including the position information can extract the position information included in the e-mail and acquire the position information of the mobile terminal.

  The present invention relates to a position information search system, a position information search server, and a position information search method for searching for position information of a mobile terminal located in a search target area input by a mobile management terminal that manages the mobile management terminal. Applicable.

1 is an overall configuration diagram of a position information search system 10 according to a first embodiment of the present invention. It is a functional block diagram of the mobile terminal, mobile management terminal, and position information search server concerning the embodiment. It is the block diagram which showed the example of the positional information search system concerning the embodiment. It is a flowchart explaining the flow of the process of a mobile terminal search in the positional information search system concerning the embodiment. It is explanatory drawing explaining the flow of a process of the positional information search system concerning the embodiment. It is the block diagram which showed the example of the positional information search system concerning the 2nd Embodiment of this invention. It is explanatory drawing explaining the flow of a process of the positional information search system concerning the embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Mobile terminal 102 Position information acquisition part 200 Mobile management terminal 202 Search object area | region input part 300 Position information search server 304 Position information receiving part 314 Position information memory | storage part 316 Search object mobile terminal extraction part 318 Current position information determination part 320 Display Data Policy West 324 Location Information Inquiry Department

Claims (8)

A location information search system in which one or more mobile terminals, a mobile management terminal that manages the mobile terminal, and a location information search server are connectable via a network:
The mobile terminal is
A position information acquisition unit that acquires its own position information at a predetermined interval;
A position information transmission unit that transmits the position information acquired by the position information acquisition unit to the position information search server;
The mobility management terminal
A search area input unit capable of inputting a search area of the mobile terminal by an administrator;
A search target region transmitting unit that transmits the search target region input by the search target region input unit to the position information search server;
A display unit for displaying position information of a mobile terminal existing in the search target area;
The location information search server
A location information receiving unit for receiving location information acquired by the mobile terminal;
A location information storage unit for storing location information of the mobile terminal;
When the search target area is input by the mobility management terminal, the location information stored in the location information storage unit of the mobile terminal is within the search target area and is a search target 1 or 2 A search target mobile terminal extraction unit for extracting the above search target mobile terminals;
A position information inquiry unit that inquires one or more of the search target mobile terminals that are the search targets extracted by the search target mobile terminal extraction unit about the current position information;
A current position information determination unit that determines whether or not current position information of one or more of the search target mobile terminals inquired by the position information inquiry unit is within the search target area;
The current location information determination unit determines the current location information of one or more mobile terminals in the search target area determined to be present in the search target area among the search target mobile terminals. A current position information transmitting unit for transmitting to a management terminal; One or more mobile terminals that acquire their position information at a predetermined interval; a mobile management terminal that manages the mobile terminal and can input a search target area of the mobile terminal by an administrator; A location information search server that can be connected via a network:
A location information receiving unit for receiving location information acquired by the mobile terminal;
A location information storage unit for storing location information of the mobile terminal;
When the search target area is input by the mobility management terminal, the location information stored in the location information storage unit of the mobile terminal is within the search target area and is a search target 1 or 2 A search target mobile terminal extraction unit for extracting the above search target mobile terminals;
A position information inquiry unit that inquires one or more of the search target mobile terminals that are the search targets extracted by the search target mobile terminal extraction unit about the current position information;
A current position information determination unit that determines whether or not current position information of one or more of the search target mobile terminals inquired by the position information inquiry unit is within the search target area;
The current location information determination unit determines the current location information of one or more mobile terminals in the search target area determined to be present in the search target area among the search target mobile terminals. A location information search server, comprising: a current location information transmission unit for transmitting to a management terminal; The location information storage unit stores the mobile terminal specifying information for specifying the mobile terminal, the location information acquired by the mobile terminal, and time-series data of the location information in association with each other,
The search target mobile terminal extraction unit may be within the search target area among the one or more mobile terminals based on the time-series data stored in the position information storage unit The position information search server according to claim 2, wherein one or two or more search target mobile terminals to be searched are extracted.   The time series data stored in the position information storage unit includes a position information storage time at which the position information of the mobile terminal is stored, a speed of movement of the mobile terminal calculated based on the position information storage time, and The position information search server according to claim 3, further comprising a direction of movement.   The search target mobile terminal extraction unit includes a distance between the search target region input by the mobile management terminal and the location information of the mobile terminal stored in the location information storage unit, and the mobile terminal The position information search according to claim 3, wherein it is determined whether or not a search target mobile terminal exists in the search target area based on a moving speed and a moving direction of the mobile terminal. server. An address information calculation unit for calculating address information corresponding to the location information of the mobile terminal;
The location information search server according to claim 2, wherein the location information storage unit stores the address information calculated by the address information calculation unit.   The display data creating unit for creating position information display data for displaying the position information of the mobile terminal on the map information of the search target area input by the mobile management terminal. 2. The location information search server according to 2. One or more mobile terminals that acquire their position information at a predetermined interval; a mobile management terminal that manages the mobile terminal and can input a search target area of the mobile terminal by an administrator; A location search server that can be connected via a network:
Position information reception processing for receiving position information acquired by the mobile terminal;
A location information storage process for storing location information of the mobile terminal;
When the search target area is input by the mobility management terminal, the location information stored in the location information storage process in the mobile terminal is within the search target area and is a search target 1 or 2 A search target mobile terminal extraction process for extracting the above search target mobile terminals;
A position information inquiry process for inquiring the current position information to one or two or more search target mobile terminals to be searched extracted by the search target mobile terminal extraction process;
Current position information determination processing for determining whether current position information of one or more of the search target mobile terminals inquired by the position information inquiry processing is within the search target area;
Among the search target mobile terminals by the current location information determination process, the current location information of one or more mobile terminal in the search target area determined to exist in the search target area is used as the mobile user. A computer program for executing current position information transmission processing to be transmitted to a management terminal.

Images